A281955 - OEIS

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A281955 as a triangular array

										1
									2		2
								4		8		4
							8		30		30		8
						16		112		133		112		16
					32		420		587		587		420		32
				64		1576		2559		3389		2559		1576		64
			128		5912		11251		19089		19089		11251		5912		128
		256		22176		49293		111354		130416		111354		49293		22176		256
	512		83184		216274

A281955 as a square array

1	2	4	8	16	32	64	128	256	512
2	8	30	112	420	1576	5912	22176	83184
4	30	133	587	2559	11251	49293	216274
8	112	587	3389	19089	111354
16	420	2559	19089	130416
32	1576	11251	111354
64	5912	49293
128	22176
256

A281955 as an upper right triangle

1	2	4	8	16	32	64	128	256	512
	2	8	30	112	420	1576	5912	22176	83184
		4	30	133	587	2559	11251	49293	216274
			8	112	587	3389	19089	111354
				16	420	2559	19089	130416
					32	1576	11251	111354
						64	5912	49293
							128	22176
								256